Trail Running calendar near London 2026-2027

Experience the scenic Cambridgeshire countryside with 10k and half marathon trail races around Grafham Water. These fully marked and marshalled routes offer beautiful reservoir views and a variety of local tracks.

Experience scenic off road running through the Old Basing countryside with chip timed trail races and a family fun run supporting local schools. Enjoy a community atmosphere complete with finisher medals and post race refreshments.

This 10k starts and finishes at the Dengie Hundred Sports Centre. The flat, single-lap route takes in sea wall paths, open countryside trails, and town streets. Free parking and facilities are available on-site.

Experience a unique 100 mile trail race through Oxfordshire featuring four 25 mile spurs along the Thames Path and Ridgeway. This fast course offers a flat route with full medical support and 16 aid stations.

Experience an annual challenge through the scenic footpaths of Kent Surrey and Sussex. Choose between 25 km and 50 km routes with full navigation support and catering provided throughout the course.

Run through the narrow, traffic-free trails of Bedgebury National Pinetum & Forest. Choose from a half marathon, 10k, or junior race on a scenic woodland course. Every finisher gets a bespoke medal and free photos.

Experience a premier trail running weekend in Eastbourne featuring an ultra, marathon, half marathon, and 10k. Run along the scenic Seven Sisters with well stocked aid stations and a supportive atmosphere for all participants.

Follow the scenic Thames Path on a 47 mile point to point ultra marathon from Oxford to Henley on Thames. This UTMB Index race features historic riverside trails and full participant support including live GPS tracking.

Experience a scenic 30 mile ultra marathon along the River Stort and Lee navigations. This flat out and back course offers a fast trail experience with generous cut off times and supportive checkpoints.

Choose your own distance at Ferry Meadows by completing as many 5.3 km laps as you like in six hours. This multi-terrain event is located near Peterborough and features a cupless aid station at every lap.

Run through the dark woods of Irchester Country Park in this Halloween-themed night event. Choose between a spooky 5k or a family-friendly 2k Fun Run, with fancy dress encouraged. All finishers get a medal and treats, with free photos inclu..

A 5 mile timed, self-navigated night trail on 30 October 2026, run mostly through forest and downland. Fancy dress is encouraged with trophies and a post-run dessert for winners, and a tail runner will sweep the course.

An autumn/winter ultra on classic Chiltern trails. This single-loop 50K starts in Berkhamsted, following The Ridgeway and Chiltern Way with scenic views. The fully-marked course has a 9-hour limit and is a UTMB World Series Index Race.

Join a devilish 6.66 km Halloween trail at Brewery Fields, Great Baddow on 31 October, a fun fancy dress event rather than a race. Limited to 50 places, finishers get a medal, drink and costume prizes and a GPX route is provided.

Run a night trail through Alice Holt Forest on a 5 km loop system. Choose your distance from 5 km, 10 km, or 15 km on wide gravel tracks lit by head torches. After the run, warm up by a fire pit with some food.

Conquer hilly forest trails at Wendover Woods in this autumn multi terrain event. Choose from marathon, half marathon, 10k, or junior distances and enjoy on site facilities like a cafe and adventure playground.

Run through the dark, historic Oxendon Tunnel at Tunnel Vision. Choose the Night Run or the early Dawn Run for a unique 5-mile challenge. All finishers get a medal and a post-race treat.

Join Enigma Fireworks on 6 and 7 November 2026 for marathon and half marathon loops around scenic Caldecotte Lake. Enjoy waterside views, lap support and a bespoke finisher medal to light up your race season.

Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.

A nighttime trail run on the historic Stonor Park estate in the Chiltern Hills. Choose from three courses, from 7 km to 17 km, run under headtorches. The event is plastic-free, so bring your own reusable cup.